Daily Practice

Higher

10th February 1991

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Probability Trees3 marks
2 of 7 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
2
Box Plots2 marks
A box plot has a minimum of 18 and a maximum of 34. Work out the range.
3
Surds2 marks
Write sqrt(32) in the form a sqrt(b), where b is as small as possible.
4
Equation of a Line3 marks
A line has gradient -3 and passes through (4, -14). Work out its equation.
5
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 5, y = 18. Work out y when x = 3.

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